1 files changed, 115 insertions, 0 deletions
diff --git a/src/background/shared/completions/index.js b/src/background/shared/completions/index.js
new file mode 100644
index 0000000..8ecdcfc
--- /dev/null
+++ b/src/background/shared/completions/index.js
@@ -0,0 +1,115 @@
+import * as tabs from './tabs';
+import * as histories from './histories';
+import * as bookmarks from './bookmarks';
+
+const getSearchCompletions = (command, keywords, searchConfig) => {
+  let engineNames = Object.keys(searchConfig.engines);
+  let engineItems = engineNames.filter(name => name.startsWith(keywords))
+    .map(name => ({
+      caption: name,
+      content: command + ' ' + name
+    }));
+  return Promise.resolve(engineItems);
+};
+
+const getHistoryCompletions = (command, keywords) => {
+  return histories.getCompletions(keywords).then((pages) => {
+    return pages.map((page) => {
+      return {
+        caption: page.title,
+        content: command + ' ' + page.url,
+        url: page.url
+      };
+    });
+  });
+};
+
+const getBookmarksCompletions = (command, keywords) => {
+  return bookmarks.getCompletions(keywords).then((items) => {
+    return items.map((item) => {
+      return {
+        caption: item.title,
+        content: command + ' ' + item.url,
+        url: item.url,
+      };
+    });
+  });
+};
+
+const getOpenCompletions = (command, keywords, searchConfig) => {
+  return Promise.all([
+    getSearchCompletions(command, keywords, searchConfig),
+    getHistoryCompletions(command, keywords),
+    getBookmarksCompletions(command, keywords),
+  ]).then(([engineItems, historyItems, bookmarkItems]) => {
+    let completions = [];
+    if (engineItems.length > 0) {
+      completions.push({
+        name: 'Search Engines',
+        items: engineItems
+      });
+    }
+    if (historyItems.length > 0) {
+      completions.push({
+        name: 'History',
+        items: historyItems
+      });
+    }
+    if (bookmarkItems.length > 0) {
+      completions.push({
+        name: 'Bookmarks',
+        items: bookmarkItems
+      });
+    }
+    return completions;
+  });
+};
+
+const getCompletions = (line, settings) => {
+  let typedWords = line.trim().split(/ +/);
+  let typing = '';
+  if (!line.endsWith(' ')) {
+    typing = typedWords.pop();
+  }
+
+  if (typedWords.length === 0) {
+    return Promise.resolve([]);
+  }
+  let name = typedWords.shift();
+  let keywords = typedWords.concat(typing).join(' ');
+
+  switch (name) {
+  case 'o':
+  case 'open':
+  case 't':
+  case 'tabopen':
+  case 'w':
+  case 'winopen':
+    return getOpenCompletions(name, keywords, settings.search);
+  case 'b':
+  case 'buffer':
+    return tabs.getCompletions(keywords).then((gotTabs) => {
+      let items = gotTabs.map((tab) => {
+        return {
+          caption: tab.title,
+          content: name + ' ' + tab.title,
+          url: tab.url,
+          icon: tab.favIconUrl
+        };
+      });
+      return [
+        {
+          name: 'Buffers',
+          items: items
+        }
+      ];
+    });
+  }
+  return Promise.resolve([]);
+};
+
+const complete = (line, settings) => {
+  return getCompletions(line, settings);
+};
+
+export { complete };